Hock joint brace



FIG. 1 is a perspective view a hock joint brace, showing my new design,the broken line showing of the horse leg is for illustrative purposesonly and forms no part of the claimed design;

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is an elevational view of the inside surface thereof; and,

FIG. 7 is an elevational view of the outside surface thereof.

The ornamental design for a hock joint brace, as shown and described.